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From Luc Maisonobe <Luc.Maison...@free.fr>
Subject Re: [math] numerical problem sniffer
Date Mon, 14 May 2012 10:00:40 GMT
Le 14/05/2012 11:13, Thomas Neidhart a écrit :
> Hi all,

Hi Thomas,

> 
> as we all know, java does not provide any means of detecting overflows
> and/or underflows in numerical calculations off-the-shelf.
> While investigating some numerical stability problems and trying to improve
> the eigenvalue implementation, I was thinking about instrumenting certain
> operations to detect such things.
> 
> In fact there already exists something that does exactly this (and some
> other things like smearing, cancellation, ...)
> 
> The thing is called cojac and can be found here:
> http://code.google.com/p/cojac/
> 
> It is a very nice tool, so in case somebody did not know about it, give it
> a try.

Thanks for the tip, this look really interesting.

Luc

> 
> Thomas
> 


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